Set SMS Factor - 400 Error " Invalid Phone Number"
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Okta Identity Engine
Multi-Factor Authentication
Overview
This article describes a scenario where, depending on the country used to send the SMS code, the below error can be received:
400 Error
Invalid Phone Number
Applies To
- SMS Factor
- International SMS
Cause
Solution
- For example, if the mobile number in Argentina is (11) 15 1234–5678, a voice call from abroad would be dialed as +54 9 11 1234 5678, but a text message would require +54 11 1234 5678, with +54 9 11 1234 5678 resulting in an invalid phone number error.
